// BookManager.aidl
package me.jiatao.ipc;
import  me.jiatao.ipc.aidl.Book;
// Declare any non-default types here with import statements

interface BookManager {
   //保证客户端与服务端是连接上的且数据传输正常
      List<Book> getBooks();

      //通过三种定位tag做对比试验，观察输出的结果
      Book addBookIn(in Book book);
      Book addBookOut(out Book book);
      Book addBookInout(inout Book book);
}
